FOSS4G North America Conference 2013 Preliminary Program

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Android and iOS is no longer merely useful it is essential. Enyo JS is a prodigiously elegant open source mobile development framework which offers a tactically sound approach to solving the strategic problem of emerging mobile device ubiquity and diversity. Conceived in order to smooth the disruptive effect of the grand migration to mobile, Enyo is itself a disruptor. Its primary design goal is allowing the developer to write one application for multiple mobile operating systems, and succeeds where other similar tools have failed. The framework provides clever apparati through which developers can rapidly stand up layoutresponsive mobile applications. Managers can take solace in the discipline that Enyo encourages through sensible design patterns. In this presentation I will not only convincingly demonstrate that Enyo is the right tool for developing mobile mapping applications, I will livecode a mobile mapping application using Enyo and Leaflet on stage in order to showcase Enyo’s straightforward development logos and rapid prototyping ability. Enyo is a relatively new tool that is rapidly gaining traction for mobile app development, and its flexibility and extensibility makes it a perfect companion framework for mobile GIS and mapping applications. <strong>Program</strong>ming The Zen of Python GIS Sean Gillies, New York University You are probably familiar with Tim Peter's ""Zen of Python."" I will discuss its 20 aphorisms in the context of geospatial Python programming and propose a few new ones coming out of my experience working on Shapely, Fiona, and friends. >>> from fiona import this The Zen of Python Vector Data Processing, by Sean Gillies Data files can just be files. Mappings are sometimes better than classes. Feature types aren't special enough to break the rules. Functional programming is a great idea let's do more of that! I think the Zen of Python matters to geospatial programmers and will explain why it does and how to follow and use it for fun and profit.
The open source Python geospatial stack in practice Tom Payne, Strata Thanks to open source developers, Python has fantastic support for geospatial applications built on the industryleading PostGIS extensions for PostgreSQL. In this talk, we'll explore the full stack of a real cuttingedge Python/PostGIS application: a revolutionary system for paragliding competitions. We'll demonstrate both how to implement the fundamentals of any rich geospatial application, and how open source tools can help you solve the hard parts. We'll cover: practical use of PostGIS 2's features Python/PostGIS integration with SQLAlchemy, GeoAlchemy 2. and Shapely database/middleware balance: exploiting PostGIS client/server balance: RESTful interfaces and GeoJSON manipulating global data wholestack application design Scripting GeoServer with GeoScript Tim Schaub, OpenGeo GeoServer is a solid and mature implementation of a variety of OGC services including Web Feature Service, Web Map Service, Web Coverage Service, and Web Processing Service. Add to this a KML engine, integrated security framework, powerful styling language with SLD and this rich feature set makes GeoServer very appealing to the user. However it has always been somewhat lacking when it comes to the developer. Developing with GeoServer has a steep learning curve and requires expert knowledge to do simple tasks like writing new output formats, implementing new WPS processes, and adding custom filter functions. GeoScript to the rescue! GeoScript adds spatial capabilities to popular languages such as Python, JavaScript, Scala, and Groovy. Scripting languages are the perfect tool for developers who want to do simple coding tasks quickly in a lightweight development environment. GeoScript builds on top of the very powerful GeoTools library to provide an interface to its capabilities though concise and easy to use API’s. Recent extensions to GeoServer now allow developers to write components and plugins in the scripting language of their choice, using GeoScript as the engine for spatial functionality. This presentation is geared toward developers who are interested in developing with GeoServer but not necessarily ready to get their hands dirty with low level Java. The talk will detail the various scripting hooks available and provide examples, complete with code, of how to write some simple plugins. Check out this presentation and you’ll be developing with GeoServer in no time. Spatial Datastore
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FOSS4G North America Conference 2013 Preliminary Program

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